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Détail de l'indexation
M001107
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Ouvrages de la bibliothèque en indexation M001107
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Etude et optimisation d'un procédé de prétrempage pour diminuer la migration à partir du polychlorure de vinyle / Boussoum, Mohand Ouidir
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Titre : Etude et optimisation d'un procédé de prétrempage pour diminuer la migration à partir du polychlorure de vinyle Type de document : texte imprimé Auteurs : Boussoum, Mohand Ouidir, Auteur ; Belhaneche, Naïma, Directeur de thèse Editeur : [S.l.] : [s.n.] Année de publication : 2007 Importance : 120 f. Présentation : ill. Format : 30 cm. Accompagnement : 1 CD-ROM. Note générale : Mémoire de Magister : Génie de l'Environnement : Alger, École Nationale Polytechnique : 2007
Bibliogr. f. 100 - 104 . Annexe f. 105 - 120Langues : Français (fre) Mots-clés : PVC Migration ; Procédé de prétrempage ; Huile de tournesol époxydée CG/SM SAA IRTF Index. décimale : M001107 Résumé : Ce travail s’inscrit dans l’optique d’étudier et d’optimiser un procédé de prétrempage dans le n-heptane afin de réduire la migration d’additifs contenus initialement dans le polychlorure de vinyle (PVC) stabilisé à l’huile de tournesol époxydée ainsi que d’identifier les substances migrantes.
Trois formulations sont réalisées en absence et en présence de 40 % de plastifiant.
Des essais de migration sont effectués à 40 °C avec agitation dans deux milieux simulateurs d’aliments, à savoir, l’huile d’olive brute et l’éthanol aqueux à 15 %.
Le phénomène de migration est étudié en se basant sur une analyse préliminaire basée sur la variation de masse des éprouvettes de PVC ainsi qu’à l’aide de trois techniques d’analyse: infrarouge à transformée de Fourier (IRTF), spectrométrie d’absorption atomique (SAA) et chromatographie en phase gazeuse couplée à la spectrométrie de masse (CG/SM).
Par ailleurs l’évolution de l’indice de peroxyde de l’huile d’olive brute est suivie en fonction du temps de contact avec les éprouvettes de PVC.
Le présent mémoire est constitué de deux grandes parties.
La première partie porte sur une étude bibliographique sur le PVC, les emballages plastiques, les approches pour diminuer la migration des additifs, l’optimisation et les plans d’expérience ainsi que les techniques d’analyse utilisées et la seconde partie est consacrée aux produits utilisés, aux modes opératoires ainsi qu’aux résultats obtenus.
Enfin, une conclusion générale est donnée.Etude et optimisation d'un procédé de prétrempage pour diminuer la migration à partir du polychlorure de vinyle [texte imprimé] / Boussoum, Mohand Ouidir, Auteur ; Belhaneche, Naïma, Directeur de thèse . - [S.l.] : [s.n.], 2007 . - 120 f. : ill. ; 30 cm. + 1 CD-ROM.
Mémoire de Magister : Génie de l'Environnement : Alger, École Nationale Polytechnique : 2007
Bibliogr. f. 100 - 104 . Annexe f. 105 - 120
Langues : Français (fre)
Mots-clés : PVC Migration ; Procédé de prétrempage ; Huile de tournesol époxydée CG/SM SAA IRTF Index. décimale : M001107 Résumé : Ce travail s’inscrit dans l’optique d’étudier et d’optimiser un procédé de prétrempage dans le n-heptane afin de réduire la migration d’additifs contenus initialement dans le polychlorure de vinyle (PVC) stabilisé à l’huile de tournesol époxydée ainsi que d’identifier les substances migrantes.
Trois formulations sont réalisées en absence et en présence de 40 % de plastifiant.
Des essais de migration sont effectués à 40 °C avec agitation dans deux milieux simulateurs d’aliments, à savoir, l’huile d’olive brute et l’éthanol aqueux à 15 %.
Le phénomène de migration est étudié en se basant sur une analyse préliminaire basée sur la variation de masse des éprouvettes de PVC ainsi qu’à l’aide de trois techniques d’analyse: infrarouge à transformée de Fourier (IRTF), spectrométrie d’absorption atomique (SAA) et chromatographie en phase gazeuse couplée à la spectrométrie de masse (CG/SM).
Par ailleurs l’évolution de l’indice de peroxyde de l’huile d’olive brute est suivie en fonction du temps de contact avec les éprouvettes de PVC.
Le présent mémoire est constitué de deux grandes parties.
La première partie porte sur une étude bibliographique sur le PVC, les emballages plastiques, les approches pour diminuer la migration des additifs, l’optimisation et les plans d’expérience ainsi que les techniques d’analyse utilisées et la seconde partie est consacrée aux produits utilisés, aux modes opératoires ainsi qu’aux résultats obtenus.
Enfin, une conclusion générale est donnée.Exemplaires
Code-barres Cote Support Localisation Section Disponibilité Spécialité Etat_Exemplaire M001107A M001107 Papier Bibliothèque centrale Mémoire de Magister Disponible M001107B M001107 Papier Bibliothèque centrale Mémoire de Magister Disponible Documents numériques
BOUSSOUM.Mohand Ouidir.pdfURL